Please help, prepping for AP exam.

Particle Motion Ex. 3: A particle is moving along a line such that its velocity can be modeled by v(t) = 43 + 612 -7e'. a) Find the position of the particle at time f = 3 given the particle is at s(0) =13 b) Find the total distance travelled by the particle over the first 3 seconds. c) Find the average acceleration from the time interval [3,5]. d) Find the average velocity from the time interval [3,5]